Results 21 to 30 of about 39,799 (70)

An Innovative Model of Reliability—The Pseudo-Entropic Model

open access: yesEntropy, 2019
There is an entire field of literature on reliability models. Building reliability models is most frequently done by starting from the failure rate (or hazard rate). Creating a reliability model starts with the specific type of product behavior over time,
Irina-Maria Dragan   +1 more
doaj   +1 more source

Unacceptable failure of osteochondral glenoid allograft for biologic resurfacing of the glenoid

open access: yesJournal of Experimental Orthopaedics, 2021
Purpose Glenohumeral osteoarthritis (OA) represents a challenging problem in young, physically active patients. It was the purpose of this investigation to evaluate the results of a pilot study involving glenoid resurfacing with a glenoid allograft ...
Filippo Familiari   +2 more
doaj   +1 more source

A Proactive Decision-Making Model for Evaluating the Reliability of Infrastructure Assets of a Railway System

open access: yesInformation
Railway infrastructure is generally classified as either fixed or movable infrastructure assets. Failure in any of the assets could lead to the complete shutdown and disruption of the entire system, economic loss, inconvenience to passengers and the ...
Daniel O. Aikhuele, Shahryar Sorooshian
doaj   +1 more source

A Joint Production and Maintenance Optimization of Closed-Loop Production System under Carbon Emission with a Switching Subcontractor Consideration

open access: yesApplied Sciences, 2019
This study outlines a new forecasting problem of closed-loop production system under environmental aspect by proposing a new solution based on subcontracting.
Zied Hajej   +2 more
doaj   +1 more source

Introduction of an Auxiliary Breaker into the Generator-Transformer Block for Energy Saving in Open Switchgear Circuits of Power Plants

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2023
A need in finding of new ways of energy saving at open switchgears of power plants is substantiated. In order to increase energy saving efficiency, an auxiliary breaker is suggested to be inserted between a transformer of a block and its two high-voltage
A. S. Barukin   +3 more
doaj   +1 more source

Model of correlation between geometry of thermoelectric branches and reliability indicators of single-stage coolers in Q0max mode

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016
The authors consider the influence of the geometry of thermoelectric branches on the performance reliability of single-stage thermoelectric devices (TED) operating at maximum cooling capacity at 2.0 W thermal load for any values of temperature difference
B. P. Зайков   +2 more
doaj   +1 more source

Optimal Estimation of Weibull Distribution Parameters in order to Provide Preventive-Corrective Maintenance Program for Power Transformers

open access: yesIranian Journal of Electrical and Electronic Engineering, 2019
In this paper, a new method for modelling and estimation of reliability parameters of power transformer components in distribution and transmission voltage levels for preventive-corrective maintenance schedule of transformers is proposed. In this method,
H. Sh. Solari, B. Majidi, M. Moazzami
doaj  

A Markovian reliability approach for offshore wind energy system analysis in harsh environments

open access: yesEngineering Reports, 2020
For an effective monitoring strategy of offshore energy systems in harsh environments, it is vital the system reliability dynamics be fully understood. This article presents the application of a Markovian process for dynamic reliability prediction of an ...
Sidum Adumene, Aghatise Okoro
doaj   +1 more source

Availability and LCOE Analysis Considering Failure Rate and Downtime for Onshore Wind Turbines in Japan

open access: yesEnergies, 2021
In this study, the availability and the levelized cost of energy (LCOE) are investigated considering failure rate and downtime for onshore wind turbines in Japan.
Yuka Kikuchi, Takeshi Ishihara
doaj   +1 more source

Probability-Based Failure Evaluation for Power Measuring Equipment

open access: yesEnergies, 2021
Accurate reliability and residual life analysis is paramount during the designing of reliability requirements and rotation of power measuring equipment (PME). However, the sample dataset of failure is usually sparse and contains inevitable pollution data,
Jie Liu   +4 more
doaj   +1 more source

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